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{"version":3,"sources":["../../src/transactions/transactionBuilder/signingMessage.ts"],"sourcesContent":["// Copyright © Aptos Foundation\n// SPDX-License-Identifier: Apache-2.0\n\n/**\n * This file handles the generation of the signing message.\n */\nimport { sha3_256 as sha3Hash } from \"@noble/hashes/sha3\";\nimport { RAW_TRANSACTION_SALT, RAW_TRANSACTION_WITH_DATA_SALT } from \"../../utils/const\";\nimport { FeePayerRawTransaction, MultiAgentRawTransaction } from \"../instances\";\nimport { AnyRawTransaction, AnyRawTransactionInstance } from \"../types\";\nimport { Serializable } from \"../../bcs\";\n\n/**\n * Derives the appropriate raw transaction type based on the provided transaction details.\n * This function helps in identifying whether the transaction is a FeePayerRawTransaction,\n * MultiAgentRawTransaction, or a standard RawTransaction.\n *\n * @param transaction - An object representing an Aptos transaction, which may include:\n * - feePayerAddress - The address of the fee payer (optional).\n * - secondarySignerAddresses - An array of secondary signer addresses (optional).\n * - rawTransaction - The raw transaction data.\n *\n * @returns FeePayerRawTransaction | MultiAgentRawTransaction | RawTransaction\n */\nexport function deriveTransactionType(transaction: AnyRawTransaction): AnyRawTransactionInstance {\n if (transaction.feePayerAddress) {\n return new FeePayerRawTransaction(\n transaction.rawTransaction,\n transaction.secondarySignerAddresses ?? [],\n transaction.feePayerAddress,\n );\n }\n if (transaction.secondarySignerAddresses) {\n return new MultiAgentRawTransaction(transaction.rawTransaction, transaction.secondarySignerAddresses);\n }\n\n return transaction.rawTransaction;\n}\n\n/**\n * Generates the 'signing message' form of a message to be signed.\n * This function combines a domain separator with the byte representation of the message to create a signing message.\n *\n * @param bytes - The byte representation of the message to be signed and sent to the chain.\n * @param domainSeparator - A domain separator that starts with 'APTOS::'.\n *\n * @returns The Uint8Array of the signing message.\n */\nexport function generateSigningMessage(bytes: Uint8Array, domainSeparator: string): Uint8Array {\n const hash = sha3Hash.create();\n\n if (!domainSeparator.startsWith(\"APTOS::\")) {\n throw new Error(`Domain separator needs to start with 'APTOS::'. Provided - ${domainSeparator}`);\n }\n\n hash.update(domainSeparator);\n\n const prefix = hash.digest();\n\n const body = bytes;\n\n const mergedArray = new Uint8Array(prefix.length + body.length);\n mergedArray.set(prefix);\n mergedArray.set(body, prefix.length);\n\n return mergedArray;\n}\n\n/**\n * @deprecated\n * Use CryptoHashable instead by having your class implement it and call hash() to get the signing message.\n *\n * Generates the 'signing message' form of a serializable value by serializing it and using the constructor name as the domain\n * separator.\n *\n * @param serializable - An object that has a BCS serialized form.\n *\n * @returns The Uint8Array of the signing message.\n */\nexport function generateSigningMessageForSerializable(serializable: Serializable): Uint8Array {\n return generateSigningMessage(serializable.bcsToBytes(), `APTOS::${serializable.constructor.name}`);\n}\n\n/**\n * Generates the 'signing message' form of a transaction by deriving the type of transaction and applying the appropriate domain\n * separator based on the presence of a fee payer or secondary signers.\n *\n * @param transaction - A transaction that is to be signed, which can include a fee payer address or secondary signer addresses.\n *\n * @returns The Uint8Array of the signing message.\n */\nexport function generateSigningMessageForTransaction(transaction: AnyRawTransaction): Uint8Array {\n const rawTxn = deriveTransactionType(transaction);\n if (transaction.feePayerAddress) {\n return generateSigningMessage(rawTxn.bcsToBytes(), RAW_TRANSACTION_WITH_DATA_SALT);\n }\n if (transaction.secondarySignerAddresses) {\n return generateSigningMessage(rawTxn.bcsToBytes(), RAW_TRANSACTION_WITH_DATA_SALT);\n }\n return generateSigningMessage(rawTxn.bcsToBytes(), RAW_TRANSACTION_SALT);\n}\n"],"mappings":"gGAMA,OAAS,YAAYA,MAAgB,qBAkB9B,SAASC,EAAsBC,EAA2D,CAC/F,OAAIA,EAAY,gBACP,IAAIC,EACTD,EAAY,eACZA,EAAY,0BAA4B,CAAC,EACzCA,EAAY,eACd,EAEEA,EAAY,yBACP,IAAIE,EAAyBF,EAAY,eAAgBA,EAAY,wBAAwB,EAG/FA,EAAY,cACrB,CAWO,SAASG,EAAuBC,EAAmBC,EAAqC,CAC7F,IAAMC,EAAOC,EAAS,OAAO,EAE7B,GAAI,CAACF,EAAgB,WAAW,SAAS,EACvC,MAAM,IAAI,MAAM,+DAA+DA,CAAe,EAAE,EAGlGC,EAAK,OAAOD,CAAe,EAE3B,IAAMG,EAASF,EAAK,OAAO,EAErBG,EAAOL,EAEPM,EAAc,IAAI,WAAWF,EAAO,OAASC,EAAK,MAAM,EAC9D,OAAAC,EAAY,IAAIF,CAAM,EACtBE,EAAY,IAAID,EAAMD,EAAO,MAAM,EAE5BE,CACT,CAaO,SAASC,EAAsCC,EAAwC,CAC5F,OAAOT,EAAuBS,EAAa,WAAW,EAAG,UAAUA,EAAa,YAAY,IAAI,EAAE,CACpG,CAUO,SAASC,EAAqCb,EAA4C,CAC/F,IAAMc,EAASf,EAAsBC,CAAW,EAChD,OAAIA,EAAY,gBACPG,EAAuBW,EAAO,WAAW,EAAGC,CAA8B,EAE/Ef,EAAY,yBACPG,EAAuBW,EAAO,WAAW,EAAGC,CAA8B,EAE5EZ,EAAuBW,EAAO,WAAW,EAAGE,CAAoB,CACzE","names":["sha3Hash","deriveTransactionType","transaction","FeePayerRawTransaction","MultiAgentRawTransaction","generateSigningMessage","bytes","domainSeparator","hash","sha3Hash","prefix","body","mergedArray","generateSigningMessageForSerializable","serializable","generateSigningMessageForTransaction","rawTxn","RAW_TRANSACTION_WITH_DATA_SALT","RAW_TRANSACTION_SALT"]}Выполнить команду
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